Description
Product Fitment:
2008-2014 Subaru WRX
2008-2021 Subaru STI
Keep your turbocharged Subaru running cool under pressure with the IAG Street Series Triple-Pass Radiator. This high-performance all-aluminum radiator is engineered for significantly improved thermal efficiency and reliability in demanding conditions.
Unlike the OEM single-pass design, the IAG radiator uses an advanced triple-pass internal baffling system. This routes coolant through the core three separate times, increasing dwell time and improving heat transfer by 10–20% over stock, making it ideal for modified engines and aggressive driving.
Features:
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Triple-Pass Design for Maximum Efficiency
Internal baffles route coolant through the core three times to extract more heat and ensure better temperature regulation under load. -
42mm (1.654″) Thick Aluminum Core
Delivers optimal cooling without compromising fitment or airflow. Handles increased thermal loads from high-performance and track-driven setups. -
All-Aluminum Construction
Lightweight, corrosion-resistant, and built to withstand high-temp conditions without cracking like plastic tanks. -
Direct OEM Fan Compatibility
Retains OEM mounting positions for factory fans and hardware for a hassle-free install. -
Upgraded Inlet & Expansion Tank Support
Relocated upper radiator inlet requires IAG’s included 4-ply silicone hose (IAG-ENG-2304). A -6AN male fitting is pre-welded for expansion tank setups and includes a cap if unused. -
Made in the USA
Built to the highest standards for long-lasting reliability and performance.
Included:
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IAG Street Series 42mm Triple-Pass Radiator
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IAG 4-Ply Silicone Upper Radiator Hose (IAG-ENG-2304)
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-6AN Female Cap (for optional expansion fitting)
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